{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001282},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003037","490:4900003311","490:4900004404","490:4900003844","490:4900002890","490:4900002139","490:4900004400","490:4900001984","490:4900001283","490:4900003986","490:4900004127","490:4900003571","490:4900002749","490:4900006751","490:4900004538","490:4900007240","490:4900003046","490:4900001829","490:4900007120","490:4900007495","490:4900007119","490:4900003440","490:4900004420","490:4900000660","490:4900006992"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7503177535394806,0.7404041523284332,0.7157252886728109,0.5960081902964728,0.5878027609264082,0.563947276725936,0.5446195377766548,0.5389453746702838,0.5371536222586143,0.5368221708437638,0.5343061094347688,0.5242648055175018,0.5232234028558259,0.5176893429119632,0.5120058753901631,0.510584085966289,0.49310422703990925,0.48502520358366075,0.48199542752059726,0.4671130973997971,0.46563339629294587,0.4620052896906711,0.46149372801692,0.45697667377377477,0.44964279391385653],"twin_dists":[0.09844083326236616,0.10069404274030923,0.10622095384188543,0.1321278554419258,0.13388589849019053,0.13900751141108364,0.1431765734317822,0.1444051359872913,0.14479358809611878,0.14486547436802105,0.14541145308757228,0.1475957544720914,0.14782281392024707,0.1490311796844502,0.1502754092105732,0.1505872073286969,0.15443979356275297,0.1562336019017499,0.15690866164280268,0.1602446846921064,0.16057830535375214,0.16139787777792977,0.1615136183921928,0.16253758944811345,0.16420797301771306],"n_dims_used":45,"mean_confidence":0.9191828409830729},"coverage":{"mean_confidence":0.9191828409830729,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}